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eTap® HRD™ - SRAM · PDF fileSRAM® eTap® HRD™ Brake Systems 5...

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GEN.0000000005254 Rev A © 2017 SRAM, LLC eTap® HRD™ Caliper/Hose Replacement Electronic Subassembly Replacement service manual
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  • GEN.0000000005254 Rev A 2017 SRAM, LLC

    eTap HRDCaliper/Hose Replacement Electronic Subassembly Replacement

    s e r v i c em a n u a l

  • SRAM LLC WARRANTYEXTENT OF LIMITED WARRANTYExcept as otherwise set forth herein, SRAM warrants its products to be free from defects in materials or workmanship for a period of two years after original purchase. This warranty only applies to the original owner and is not transferable. Claims under this warranty must be made through the retailer where the bicycle or the SRAM component was purchased. Original proof of purchase is required. Except as described herein, SRAM makes no other warranties, guaranties, or representations of any type (express or implied), and all warranties (including any implied warranties of reasonable care, merchantibility, or fitness for a particular purpose) are hereby disclaimed.

    LOCAL LAWThis warranty statement gives the customer specific legal rights. The customer may also have other rights which vary from state to state (USA), from province to province (Canada), and from country to country elsewhere in the world.

    To the extent that this warranty statement is inconsistent with the local law, this warranty shall be deemed modified to be consistent with such law, under such local law, certain disclaimers and limitations of this warranty statement may apply to the customer. For example, some states in the United States of America, as well as some governments outside of the United States (including provinces in Canada) may:

    a. Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer (e.g. United Kingdom).

    b. Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations.

    For Australian customers:This SRAM limited warranty is provided in Australia by SRAM LLC, 1000 W. Fulton Market, 4th Floor, Chicago, IL, 60607, USA. To make a warranty claim please contact the retailer from whom you purchased this SRAM product. Alternatively, you may make a claim by contacting SRAM Australia, 6 Marco Court, Rowville 3178, Australia. For valid claims SRAM will, at its option, either repair or replace your SRAM product. Any expenses incurred in making the warranty claim are your responsibility. The benefits given by this warranty are additional to other rights and remedies that you may have under laws relating to our products. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

    LIMITATIONS OF LIABILITYTo the extent allowed by local law, except for the obligations specifically set forth in this warranty statement, in no event shall SRAM or its third party suppliers be liable for direct, indirect, special, incidental, or consequential damages.

    LIMITATIONS OF WARRANTYThis warranty does not apply to products that have been incorrectly installed and/or adjusted according to the respective SRAM user manual. The SRAM user manuals can be found online at sram.com, rockshox.com, avidbike.com, truvativ.com, or zipp.com.

    This warranty does not apply to damage to the product caused by a crash, impact, abuse of the product, non-compliance with manufacturers specifications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design.

    This warranty does not apply when the product has been modified, including, but not limited to any attempt to open or repair any electronic and electronic related components, including the motor, controller, battery packs, wiring harnesses, switches, and chargers.

    This warranty does not apply when the serial number or production code has been deliberately altered, defaced or removed.

    This warranty does not apply to normal wear and tear. Wear and tear parts are subject to damage as a result of normal use, failure to service according to SRAM recommendations and/or riding or installation in conditions or applications other than recommended.

    Wear and tear parts are identified as:

    Dust sealsBushingsAir sealing o-ringsGlide ringsRubber moving partsFoam ringsRear shock mounting hardware and main sealsUpper tubes (stanchions)

    Stripped threads/bolts (aluminium, titanium, magnesium or steel)Brake sleevesBrake padsChainsSprocketsCassettesShifter and brake cables (inner and outer)

    Handlebar gripsShifter gripsJockey wheelsDisc brake rotorsWheel braking surfacesBottomout padsBearingsBearing racesPawls

    Transmission gearsSpokesFree hubsAero bar padsCorrosionToolsMotorsBatteries

    Notwithstanding anything else set forth herein, the battery pack and charger warranty does not include damage from power surges, use of improper charger, improper maintenance, or such other misuse.

    This warranty shall not cover damages caused by the use of parts of different manufacturers.

    This warranty shall not cover damages caused by the use of parts that are not compatible, suitable and/or authorised by SRAM for use with SRAM components.

    This warranty shall not cover damages resulting from commercial (rental) use.

  • SAFETY FIRST!We care about YOU. Please, always wear your safety glasses

    and protective gloves when servicing SRAM products. Protect yourself! Wear your safety gear!

  • TABLE OF CONTENTSSRAM ETAP HRD BRAKE SYSTEMS ...........................................................................................................................................................5

    TROUBLESHOOTING ..........................................................................................................................................................................................6DISC BRAKE PAD ADVANCEMENT PROCEDURE .................................................................................................................................................................................6

    SRAM ETAP HRD CALIPER SERVICE ..........................................................................................................................................................8PARTS, TOOLS AND SUPPLIES ...................................................................................................................................................................................................................8ETAP HRD CALIPER EXPLODED VIEW ......................................................................................................................................................................................................8CALIPER BRAKE PAD REMOVAL .................................................................................................................................................................................................................9CALIPER PISTON REMOVAL ....................................................................................................................................................................................................................... 10CALIPER PISTON INSTALLATION ............................................................................................................................................................................................................. 14

    SRAM ETAP HRD HOSE REPLACEMENT .................................................................................................................................................16PARTS, TOOLS AND SUPPLIES ................................................................................................................................................................................................................. 16HOSE REMOVAL ............................................................................................................................................................................................................................................. 16HOSE INSTALLATION ................................................................................................................................................................................................................................... 19

    ELECTRONIC SUBASSEMBLY REPLACEMENT ........................................................................................................................................... 22PARTS, TOOLS AND SUPPLIES ................................................................................................................................................................................................................ 22ELECTRONIC SUBASSEMBLY EXPLODED VIEW ................................................................................................................................................................................ 22ELECTRONIC SUBASSEMBLY REMOVAL .............................................................................................................................................................................................. 23ELECTRONIC SUB-ASSEMBLY INSTALLATION ................................................................................................................................................................................... 26

  • 5SRAM eTap HRD Brake Systems

    S R A M e T a p H R D B r a k e S y s t e m sWe recommend that you have your SRAM eTap HRD components serviced by a qualified bicycle mechanic. Servicing SRAM components requires knowledge of bicycle mechanics as well as the special tools and lubricants/fluids used for se


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